GR 26 CORE : ISSUE 1

Gives Telcordia's view of generic requirements for Controlled Environment Vaults (CEVs), formerly known as Below Ground Electronic Equipment Enclosures (BG/EEE). The requirements are designed to give a suitable environment for telecommunications electronic equipment that is housed in below ground, prefabricated structures. The possible placement of Remote Switching Units (RSUs) and other environmentally sensitive equipment necessitates upgrading the internal environment of CEVs to levels maintained within central offices. The document also includes these upgraded requirements.